mitt romney's strong performance has led to new momentum in the polls. the latest nbc news poll shows romney gained support in three swing states. it shows him leading by one point now in virginia. obama's lead in florida has shrunk to a single point and lost two points in ohio. he was leading romney by eight before the debate, now mr. obama is up by six. >>> get ready for even colder temps on the way, folks. we could see our first freeze. meteorologist doug kammerer is outside on the storm 4 weather deck. doug? >> oh, yeah, high, guys. temperatures out here right now, 62 degrees out at the airport right now. winds out of the south at 7 miles per hour. humidity at 35%. very cool afternoon right now. we're going to be a lot cooler as we move through the next 24 hours or so. temperatures around the region, 61 in gaithersburg, 61 in leesburg, and 64 down towards fredericksburg. with this sunshine, feeling pretty good across much of the area, ashe sun goes down, however, we will cool off fairly quickly. let's head down to the silver spring area, around rosem